Big Data Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Big Data Interview Questions

Questions Answers Views Company eMail

What is the role of JDBC driver in Sqoop?

Is JDBC driver enough to connect sqoop to the databases?

What is the work of Export in Hadoop sqoop?

Use of Codegen command in Hadoop sqoop?

Use of Help command in Hadoop sqoop?

How can you schedule a sqoop job using Oozie?

What is the importance of — the split-by clause in running parallel import tasks in sqoop?

What is a sqoop metastore?

What is ZooKeeper?

What are the Benefits Of Distributed Applications?

What are the Benefits Of Zookeeper?

What is the zookeeper daemon name?

What is Apache Zookeeper Meant For?

What is the ZooKeeper ensemble?

What are the possible Job roles?

Un-Answered Questions { Big Data }

Does Hoe Spark handle monitoring and logging in Standalone mode?

276

Explain the concept of cassandra data model?

114

How can a user create a Keyspace in Cassandra?

Mention some use cases of apache mahout?

How should you handle session_expired?

Explain the shuffle?

916

When you point a partition of a hive table to a new directory, what happens to the data?

756

Please enumerate the various components of the Spark Ecosystem.

395

Can spark be used without hadoop?

270

what daemons run on a master node and slave nodes?

701

What are the usage of different consistency levels for write operations ?

What is the use of context object?

466

What are clusters in cassandra?

What are the complicated steps in Flume configurations?

144

Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?

602

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